[U-Boot-Users] CFI support for flash with hardware write-protect.

[Stefan Roese <sr@denx.de>]

Hi Ed,

On Friday 29 June 2007, Edward Jubenville wrote:
> We have a built a custom board with onboard flash and using CFI.  Our
> design supports a jumper that enables hardware write-protection on the
> flash, but u-boot will not come up with the jumper installed.  It fails due
> to code in drivers/cfi_flash.c that must write a command word to detect the
> flash configuration.
>
> Is there an elegant way to override the CFI discovery process, prefilling
> flash_info[] with the details of our flash hardware?

No, there is no elegant method for this right now. But I'm wondering why your 
board crashes upon writes. You seem to have disabled writes in the chip 
selects, correct? Why did you have to do this?

Best regards,
Stefan

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